1 Isotonic -a muscle fiber contraction in which force production is unchanged when the muscle contracts causing movement of an external load.  Isokinetic -a muscle fiber contraction in which force production of the contraction is sufficient to overcome the external load.
HIV/AIDS. HIV Risk Behaviors. The risk of getting HIV varies widely depending on the type of exposure or behavior (such as sharing needles or having sex without a condom). Some exposures to HIV carry a much higher risk of transmission than other exposures.
CARDIOVASCULAR COMPLICATIONS. Studies demonstrate higher rates of myocardial infarction and atherosclerosis in patients with HIV infection. 17, 18 HIV appears to independently increase the risk of cardiovascular disease via elevated cytokine levels, chronic vascular inflammation, and endothelial dysfunction. 19 Traditional risk factors, such as smoking, are also prevalent in patients with HIV infection.